Re: [PATCH] ethernet: myri10ge: Fix a use after free in myri10ge_sw_tso
From: patchwork-bot+netdevbpf
Date: Mon Mar 29 2021 - 16:50:47 EST
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Mon, 29 Mar 2021 05:36:48 -0700 you wrote:
> In myri10ge_sw_tso, the skb_list_walk_safe macro will set
> (curr) = (segs) and (next) = (curr)->next. If status!=0 is true,
> the memory pointed by curr and segs will be free by dev_kfree_skb_any(curr).
> But later, the segs is used by segs = segs->next and causes a uaf.
>
> As (next) = (curr)->next, my patch replaces seg->next to next.
>
> [...]
Here is the summary with links:
- ethernet: myri10ge: Fix a use after free in myri10ge_sw_tso
https://git.kernel.org/netdev/net/c/63415767a244
You are awesome, thank you!
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